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bug fix in grid SDC generator

This commit is contained in:
tangxifan 2020-05-06 14:31:56 -06:00
parent b167c85980
commit cc6d988872
1 changed files with 9 additions and 3 deletions
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12
openfpga/src/fpga_sdc/pnr_sdc_grid_writer.cpp
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@ -94,7 +94,7 @@ void print_pnr_sdc_constrain_pb_pin_interc_timing(std::fstream& fp,
* If des module is not the parent module, it is a child module. * If des module is not the parent module, it is a child module.
* We should find the instance id * We should find the instance id
*/ */
std::string src_instance_name = src_module_name; std::string src_instance_name;
if (parent_module != src_module) { if (parent_module != src_module) {
src_instance_name = module_manager.module_name(parent_module) + std::string("/"); src_instance_name = module_manager.module_name(parent_module) + std::string("/");
/* Instance id is actually the placement index */ /* Instance id is actually the placement index */
@ -124,7 +124,7 @@ void print_pnr_sdc_constrain_pb_pin_interc_timing(std::fstream& fp,
* If des module is not the parent module, it is a child module. * If des module is not the parent module, it is a child module.
* We should find the instance id * We should find the instance id
*/ */
std::string des_instance_name = des_module_name; std::string des_instance_name;
if (parent_module != des_module) { if (parent_module != des_module) {
des_instance_name = module_manager.module_name(parent_module) + std::string("/"); des_instance_name = module_manager.module_name(parent_module) + std::string("/");
/* Instance id is actually the placement index */ /* Instance id is actually the placement index */
@ -152,12 +152,18 @@ void print_pnr_sdc_constrain_pb_pin_interc_timing(std::fstream& fp,
/* Give full path if hierarchical is not enabled */ /* Give full path if hierarchical is not enabled */
std::string src_module_path = src_instance_name; std::string src_module_path = src_instance_name;
if (false == hierarchical) { if (false == hierarchical) {
if (true == src_instance_name.empty()) {
src_instance_name = generate_instance_name(src_module_name, 0);
}
src_module_path = module_path + src_instance_name; src_module_path = module_path + src_instance_name;
} }
std::string des_module_path = des_instance_name; std::string des_module_path = des_instance_name;
if (false == hierarchical) { if (false == hierarchical) {
src_module_path = module_path + des_instance_name; if (true == des_instance_name.empty()) {
des_instance_name = generate_instance_name(des_module_name, 0);
}
des_module_path = module_path + des_instance_name;
} }
/* Print a SDC timing constraint */ /* Print a SDC timing constraint */